53 lines
1.8 KiB
Go
53 lines
1.8 KiB
Go
package entities
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import (
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"time"
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"github.com/google/uuid"
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"github.com/shopspring/decimal"
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"gorm.io/gorm"
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)
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// WalletTransaction 钱包扣款记录
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// 记录API调用产生的扣款操作
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type WalletTransaction struct {
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// 基础标识
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ID string `gorm:"primaryKey;type:varchar(36)" json:"id" comment:"交易记录唯一标识"`
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UserID string `gorm:"type:varchar(36);not null;index" json:"user_id" comment:"扣款用户ID"`
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ApiCallID string `gorm:"type:varchar(64);not null;uniqueIndex" json:"api_call_id" comment:"关联API调用ID"`
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TransactionID string `gorm:"type:varchar(64);not null;uniqueIndex" json:"transaction_id" comment:"交易ID"`
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ProductID string `gorm:"type:varchar(64);not null;index" json:"product_id" comment:"产品ID"`
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// 扣款信息
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Amount decimal.Decimal `gorm:"type:decimal(20,8);not null" json:"amount" comment:"扣款金额"`
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// 时间戳字段
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CreatedAt time.Time `gorm:"autoCreateTime" json:"created_at" comment:"创建时间"`
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UpdatedAt time.Time `gorm:"autoUpdateTime" json:"updated_at" comment:"更新时间"`
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DeletedAt gorm.DeletedAt `gorm:"index" json:"-" comment:"软删除时间"`
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}
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// TableName 指定数据库表名
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func (WalletTransaction) TableName() string {
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return "wallet_transactions"
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}
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// BeforeCreate GORM钩子：创建前自动生成UUID
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func (t *WalletTransaction) BeforeCreate(tx *gorm.DB) error {
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if t.ID == "" {
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t.ID = uuid.New().String()
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}
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return nil
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}
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// NewWalletTransaction 工厂方法 - 创建扣款记录
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func NewWalletTransaction(userID, apiCallID, transactionID, productID string, amount decimal.Decimal) *WalletTransaction {
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return &WalletTransaction{
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UserID: userID,
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ApiCallID: apiCallID,
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TransactionID: transactionID,
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ProductID: productID,
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Amount: amount,
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}
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}
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